US Bridges

RD G 937-520.5 over Stream

FairPosted for load

Lyon County, Kansas · 4.8E 1.0S of Plymouth · Structure no. 000560937005205

Built
1930
95 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
20
2007 count
Owner
County
County Highway Agency

About this bridge

RD G 937-520.5 over Stream is a concrete continuous slab carrying RD G 937-520.5 over Stream in Lyon County, Kansas. It was built in 1930, so it is 95 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 30 ft (9.2 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRD G 937-520.5
CrossesStream
Location4.8E 1.0S of Plymouth
RouteCounty Highway 0
CountyLyon County
StateKansas
Coordinates38.39767, -96.24431
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span14 ft (4.4 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2007)
Projected traffic20 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was RD G 937-520.5 over Stream built?

It was built in 1930, making it 95 years old in 2025.

What condition is RD G 937-520.5 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does RD G 937-520.5 over Stream carry?

About 20 vehicles per day (2007 count).

How long is RD G 937-520.5 over Stream?

The structure is 30 ft (9.2 m) long with a longest span of 14 ft (4.4 m) and a deck 23 ft wide.

Who owns RD G 937-520.5 over Stream?

It is owned by the County Highway Agency.